Table G.6-1 is an example of encoding of RLE Compressed Frames (described in Section G.4) with the basic offset table. Table G.6-2 is an example of Item Value data for one frame.
Table G.6-1. Example of Elements for an Encoded YCbCr RLE Three-Frame Image with Basic Offset Table
|
Pixel Data Element Tag |
Value Representation |
Data Element Length |
Data Element |
||||||
|---|---|---|---|---|---|---|---|---|---|
|
Basic Offset Table with Item Value |
First Fragment (Frame 1) of Pixel Data |
||||||||
|
Item Tag |
Item Length |
Item Value |
Item Tag |
Item Length |
Item Value |
||||
|
(7FE0,0010) with VR of OB |
OB |
0000H |
FFFF FFFFH undefined length |
(FFFE,E000) |
0000 000CH |
0000 0000H 0000 02D0H 0000 0642H |
(FFFE,E000) |
0000 02C8H |
RLE Compressed Frame |
|
4 bytes |
2 bytes |
2 bytes |
4 bytes |
4 bytes |
4 bytes |
000CH bytes |
4 bytes |
4 bytes |
02C8H bytes |
Table G.6-1b. Example of Elements for an Encoded YCbCr RLE Three-Frame Image with Basic Offset Table (continued)
|
Data Element Continued |
|||||||
|---|---|---|---|---|---|---|---|
|
Second Fragment (Frame 2) of Pixel Data |
Third Fragment (Frame 3) of Pixel Data |
Sequence Delimiter Item |
|||||
|
Item Tag |
Item Length |
Item Value |
Item Tag |
Item Length |
Item Value |
Sequence Delimiter Tag |
Item Length |
|
(FFFE,E000) |
0000 036AH |
RLE Compressed Frame |
(FFFE,E000) |
0000 0BC8H |
RLE Compressed Frame |
(FFFE,E0DD) |
0000 0000H |
|
4 bytes |
2 bytes |
036AH bytes |
4 bytes |
4 bytes |
0BC8H bytes |
4 bytes |
4 bytes |
Table G.6-2. Example of Encoded YCbCr RLE Compressed Frame Item Value
|
Offset |
Data |
Description of Data |
|
|---|---|---|---|
|
0000 0000H |
0000 0003H |
number of RLE Segments |
(Header) |
|
0000 0040H |
location of RLE Segment 1 (Y component) |
||
|
0000 0140H |
location of RLE Segment 2 (CB component) |
||
|
0000 01C0H |
location of RLE Segment 3 (CR component) |
||
|
0000 0000H |
|||
|
….. |
|||
|
….. |
|||
|
0000 0000H |
|||
|
0000 0040H |
Y - RLE Segment Data |
(DATA) |
|
|
0000 0140H |
CB - RLE Segment Data |
(DATA) |
|
|
0000 01C0H |
CR - RLE Segment Data |
(DATA) |